Replacement Ring and Chain, Compatible Grainger Part Number 1VNF1, Compatible Mfr Part Number 270040, Material Stainless Steel, Overall Height 0.25 in, Overall Length 12 in, Overall Width 3.75 in, Product Type Replacement Ring and Chain, For Use With Muni-Balls, Ong-Balls, Plumbing Test-Balls, Includes 4 in Ring, Safety Tag